While some cholesterol is needed for good health

Too much cholesterol in your blood can increase your risk for heart disease, including a heart attack or stroke.

Compare your Cholesterol Levels, the good and the bad

Cholesterol is a waxy substance your body uses to protect nerves, make cell tissues, and produce certain hormones. Your liver makes all the cholesterol your body needs.

Your body also gets cholesterol directly from the food you eat (such as eggs, meats, and dairy products). Too much cholesterol can have negative impacts on your health. Compare your cholesterol levels!.

Cholesterol levels are measured in milligrams (mg) of cholesterol per deciliter (dL) of blood in the United States and some other countries. Canada and most European countries measure cholesterol in millimoles (mmol) per liter (L) of blood.

Consider these general guidelines when you get your cholesterol test (lipid panel or lipid profile) results back to see if your cholesterol falls in an ideal range.

Interpreting your cholesterol numbers

Total cholesterol

The U.S. and some other countries

Canada and most of Europe

Below 200 mg/dL Below 5.2 mmol/L Desirable
200-239 mg/dL 5.2-6.2 mmol/L Borderline high
240 mg/dL and above Above 6.2 mmol/L High

LDL cholesterol

The U.S. and some other countries

Canada and most of Europe

Below 70 mg/dL Below 1.8 mmol/L Ideal for people at very high risk of heart disease
Below 100 mg/dL Below 2.6 mmol/L Ideal for people at risk of heart disease
100-129 mg/dL 2.6-3.3 mmol/L Near ideal
130-159 mg/dL 3.4-4.1 mmol/L Borderline high
160-189 mg/dL 4.1-4.9 mmol/L High
190 mg/dL and above Above 4.9 mmol/L Very high

HDL cholesterol

The U.S. and some other countries

Canada and most of Europe

Below 40 mg/dL (men)
Below 50 mg/dL (women)
Below 1 mmol/L (men)
Below 1.3 mmol/L (women)
50-59 mg/dL 1.3-1.5 mmol/L Better
60 mg/dL and above Above 1.5 mmol/L Best


The U.S. and some other countries

Canada and most of Europe

Below 150 mg/dL Below 1.7 mmol/L Desirable
150-199 mg/dL 1.7-2.2 mmol/L Borderline high
200-499 mg/dL 2.3-5.6 mmol/L High
500 mg/dL and above Above 5.6 mmol/L Very high

The American Heart Association (AHA) recommends that a triglyceride level of 100 mg/dL (1.3 mmol/L) or lower is considered “optimal.” The AHA says this optimal level would improve your heart health.

However, the AHA doesn’t recommend drug treatment to reach this level. Instead, for those trying to lower their triglycerides to this level, lifestyle changes such as diet, weight loss, and physical activity are encouraged. That’s because triglycerides usually respond well to dietary and lifestyle changes.

*Canadian and European guidelines differ slightly from U.S. guidelines. These conversions are based on U.S. guidelines.

LDL targets differ

Because LDL cholesterol is a major risk factor for heart disease, it’s the main focus of cholesterol-lowering treatment. Your target LDL number can vary, depending on your underlying risk of heart disease.

Most people should aim for an LDL level below 130 mg/dL (3.4 mmol/L). If you have other risk factors for heart disease, your target LDL may be below 100 mg/dL (2.6 mmol/L).

If you’re at very high risk of heart disease, you may need to aim for an LDL level below 70 mg/dL (1.8 mmol/L). In general, the lower your LDL cholesterol level is, the better.

You’re considered to be at a high risk of heart disease if you have:

  • A previous heart attack or stroke
  • Artery blockages in your neck (carotid artery disease)
  • Artery blockages in your arms or legs (peripheral artery disease)

In addition, two or more of the following risk factors might also place you in the very high-risk group:

  • Smoking.
  • High blood pressure.
  • Low HDL cholesterol.
  • Diabetes.
  • Family history of early heart disease.
  • Age older than 45 if you’re a man, or older than 55 if you’re a woman.
  • Elevated lipoprotein (a), another type of fat (lipid) in your blood.

Types of cholesterol

LDL cholesterol can build up on the inside of artery walls, contributing to artery blockages that can lead to heart attacks. Higher LDL cholesterol levels mean higher risk. High-density lipoprotein (HDL) cholesterol is known as “good” cholesterol because it helps prevent arteries from becoming clogged. Higher HDL cholesterol levels generally mean lower risk.

A blood test to check cholesterol levels — called a lipid panel or lipid profile — typically reports:

  • Total cholesterol.
  • HDL cholesterol.
  • LDL cholesterol.
  • Triglycerides, a type of fat often increased by sweets and alcohol.

For the most accurate measurements, don’t eat or drink anything (other than water) for nine to 12 hours before the blood sample is taken.

Lifestyle changes

If your LDL cholesterol is too high, the first thing your doctor will probably suggest is lifestyle changes. These changes include:

  • Quitting smoking.
  • Eating more soluble fiber, found in oatmeal, beans, fruits, and vegetables.
  • Eating less fat and cholesterol from meat and dairy products.
  • Losing weight.
  • Exercising at least 30 minutes a day on most days of the week.

Being overweight and inactive tends to increase your LDL cholesterol and lower your HDL cholesterol, exactly the opposite of what you want. Exercise and weight loss can help reverse this trend.

This is especially important for people who have large waist measurements — more than 40 inches (101.6 centimeters) for men and more than 35 inches (88.9 centimeters) for women — because people with this body shape are more likely to develop heart disease.

Medications may be needed

When lifestyle changes aren’t enough to reach your cholesterol targets, your doctor may prescribe medications to help lower your cholesterol levels. These drugs, such as statins, aren’t a replacement for lifestyle changes. You’ll still need to eat properly and exercise.

A hidden risk factor

High cholesterol has no symptoms, but your genetic makeup — reflected in the family history of high cholesterol or heart disease — might make you more prone to high cholesterol, even if you eat right and exercise.

That’s why it’s so important to have a baseline cholesterol test at age 20 and have follow-up tests at least once every five years. Finding the problem early allows you to take action before it’s too late.

Your doctor may recommend more frequent cholesterol tests if your total cholesterol level or LDL cholesterol level is high, or if you have a family history of heart disease or high cholesterol.

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